Home / 125,216.18-187,824.27-75,864.50

Finding the Fourth Proportional to 125,216.18, 187,824.27 and 75,864.50

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Solution

The fourth proportional to 125,216.18, 187,824.27 and 75,864.50 is: 113,796.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,216.18 : 187,824.27 = 75,864.50 : x
  2. Step 2: Convert to fraction form
    125,216.18/187,824.27 = 75,864.50/x
  3. Step 3: Cross multiply
    125,216.18x = 187,824.27 × 75,864.50
  4. Step 4: Simplify right side
    125,216.18x = 14,249,194,331.42
  5. Step 5: Solve for x
    x = 14,249,194,331.42/125,216.18
  6. Step 6: Final answer
    x = 113,796.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.